<template>
  <div>
    <!-- 导航栏区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片区域 -->
    <el-card>
      <!-- 搜索框区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入搜索内容" v-model="queryInfo.query" class="input-with-select" clearable
            @clear="getGoodsList">
            <!-- 搜索框利用slot属性插入 -->
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addGoodsPage">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- table区域 -->
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column prop="goods_name" label="商品名称">
        </el-table-column>
        <el-table-column prop="goods_price" label="商品价格" width="95px">
        </el-table-column>
        <el-table-column prop="goods_weight" label="商品重量" width="70px">
        </el-table-column>
        <el-table-column prop="add_time" label="创建时间" width="140px">
          <template v-slot='{row}'>
            {{row.add_time | dateFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130px">
          <template v-slot="{row}">
            <!-- 编辑按钮 -->
            <el-button type="primary" class="el-icon-edit" size="mini" @click="showEditDialog(row.id)">
            </el-button>
            <!-- 删除按钮 -->
            <el-button type="danger" class="el-icon-delete" size="mini" @click="removeByID(row.goods_id)"></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页功能 -->
      <el-pagination background @size-change="handleSizeChange" @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper" :total="total">
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  name: 'Goods',
  data () {
    return {
      // 获取商品列表
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodsList: [],
      total: 0,
    }
  },
  methods: {
    // 添加商品页面  利用编程式导航发生跳转
    addGoodsPage () {
      this.$router.push('/goods/add')
    },
    // 删除
    async removeByID (id) {
      const confirmResult = await this.$confirm('此操作将永久删除该项, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err);
      if (confirmResult !== "confirm") {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除商品失败')
      }
      this.$message.success(res.meta.msg)
      this.getGoodsList()
    },
    // 分页功能
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    // 获取商品列表
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods', {
        params: this.queryInfo
      })
      if (res.meta.status !== 200) return this.$message.error('获取商品列表失败')
      this.goodsList = res.data.goods
      this.total = res.data.total
    }
  },
  computed: {},
  watch: {},
  filters: {},
  components: {},
  created () {
    this.getGoodsList()
  },
  mounted () { }
}
</script>

<style lang='less' scoped>
//  /deep/  深度选择器
.el-table {
  margin: 15px 0;
  font-size: 12px;
}
</style>